Home / 86,076.39-118,796.55-48,350.64

Finding the Fourth Proportional to 86,076.39, 118,796.55 and 48,350.64

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Solution

The fourth proportional to 86,076.39, 118,796.55 and 48,350.64 is: 66,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,076.39 : 118,796.55 = 48,350.64 : x
  2. Step 2: Convert to fraction form
    86,076.39/118,796.55 = 48,350.64/x
  3. Step 3: Cross multiply
    86,076.39x = 118,796.55 × 48,350.64
  4. Step 4: Simplify right side
    86,076.39x = 5,743,889,222.29
  5. Step 5: Solve for x
    x = 5,743,889,222.29/86,076.39
  6. Step 6: Final answer
    x = 66,730.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.